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New posts in numerical-linear-algebra
Underdetermined Linear Systems and the Least Squares Solution
linear-algebra
numerical-linear-algebra
least-squares
Approximate a convolution as a sum of separable convolutions
computer-science
approximation
numerical-linear-algebra
convolution
Decompose invertible matrix $A$ as $A = LPU$. (Artin, Chapter 2, Exercise M.11)
linear-algebra
matrices
numerical-linear-algebra
gaussian-elimination
lu-decomposition
Why { $z-x-y=0$ , $z-2x=0$ , $2x+y-3z=0$ } cannot be solved this way?
linear-algebra
algebra-precalculus
numerical-linear-algebra
How can you tell if a least squares/rootfinding problem is well conditioned only by calculating the roots of a polynomial fit?
polynomials
numerical-methods
numerical-linear-algebra
QR decomposition help
linear-algebra
matrices
numerical-linear-algebra
Overcomplete matrix eigendecomposition
matrices
eigenvalues-eigenvectors
numerical-linear-algebra
matrix-decomposition
svd
Uniqueness of the QR-factorization
linear-algebra
numerical-linear-algebra
matrix-decomposition
Why is solving linear equation more stable than directly computing matrix inverse?
numerical-methods
numerical-linear-algebra
Sherman-Morrison Formula with Matrices
linear-algebra
matrices
numerical-linear-algebra
Why is SVD on $X$ preferred to eigendecomposition of $XX^\top$ in PCA?
linear-algebra
matrices
numerical-linear-algebra
svd
principal-component-analysis
Product of positive definite and seminegative definite matrices
linear-algebra
matrices
numerical-linear-algebra
Books for Numerical linear algebra
reference-request
numerical-linear-algebra
Direct and Iterative methods (GEPP and Jacobi)
numerical-methods
numerical-linear-algebra
python
Sum of idempotent matrices is Identity
numerical-linear-algebra
idempotents
How does Cholupdate work?
linear-algebra
matrices
numerical-linear-algebra
matlab
cholesky-decomposition
Numerical analysis question -- what am I being asked here?
numerical-methods
numerical-linear-algebra
How to solve linear system of form $(A \otimes B + C^{T}C)x = b$ when $A \otimes B$ is too large to compute?
linear-algebra
matrices
numerical-linear-algebra
kronecker-product
The sum of square of eigenvalues equals minimal Frobenius norm under similar transformation
numerical-linear-algebra
Advice in Bachelor Degree
calculus
probability
self-learning
numerical-linear-algebra
learning
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